10
NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to
improve design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any
circuits described herein, conveys no license under any patent or other right, and makes no representation that
the circuits are free of patent infringement. Charts and schedules contained here in are only for illustration
purposes and may vary depending upon a user’s specific application. While the information in this publication
has been carefully checked; no responsibility, however, is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the
failure or malfunction of the product can reasonably be expected to cause failure of the life support system or
to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless
EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has
been minimized; (b) the user assumes all such risks; (c) potential liability of EXAR Corporation is adequately
protected under the circumstances.
Copyright 2011 EXAR Corporation
Datasheet October 2011.
Send your UART technical inquiry with technical details to hotline:
.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
XRA1403/1405 EVALUATION BOARD USER’S MANUAL
REV. 1.0.0
3.0 TECHNICAL SUPPORT
If there are any questions, please send an e-mail to
.
J77
Selects the corresponding signal for pin 2
of 24-pin TSSOP package
Jumper in 2&3 sVDD signal (default)
Jumper in 1&2 sVDD signal
J78
Selects the corresponding signal for pin
21 of 24-pin TSSOP package
Jumper in 2&3 selects CS# signal (default)
Jumper in 1&2 selects A0 signal
J79
Selects the corresponding signal for pin 3
of 24-pin TSSOP package
Jumper in 2&3 selects SI signal (default)
Jumper in 1&2 selects RESET# signal
J80
Selects the corresponding signal for pin
23 of 24-pin TSSOP package
Jumper in 2&3 selects SO signal (default)
Jumper in 1&2 selects SDA signal
J81, J82,
J83, J84,
J85, J86,
J87, J88,
J89, J90
Not used for XRA1405IG24-F
Not installed
T
ABLE
7: J
UMPER
S
ETTINGS
F
OR
XRA1405IG24-F
J
UMPERS
F
UNCTIONS
C
OMMENTS